@article{oai:ritsumei.repo.nii.ac.jp:00002157,
 author = {Nakagawa, Asami},
 journal = {Studies in language science, Studies in language science},
 month = {Mar},
 pages = {107--157},
 title = {Two Case Studies of L2 Attrition Due to the Change in School Medium Language from L2 to L1 in the L1 Environment},
 volume = {2},
 year = {2012}
}